I've been working on a JS implementation of the picture tag. It is important
that a JS implementation is possible - if a JS implementation isn't possible on
older/current browsers, then these older/current browsers will display the
mobile sized image. Chrome, FF and Opera came together very quickly, as ever
though IE7/8 is slightly more challenging, [...]
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'JS implementation / Problem with '
http://www.w3.org/community/respimg/2012/03/06/js-implementation-problem-with/
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